It may be the biggest news since Steam was first launched: Steam and Steamworks are available for the Mac. Supporting cross platform gaming, Steam is opening the door to a new audience and taking all of its features and functionality along for the ride. If you're already using Steamworks for your PC game, providing support for Mac versions is effortless. Steam Community and gamer accounts are completely cross platform as well, allowing gamers to play their games and access their game data from any PC or Mac. Steam for the Mac - everything you've come to expect from the world's leading game platform.